<template>
  <div class="login">
    <div class="login-dialog">
      <div class="login-left">
        <div class="system-title">{{ title }}</div>
        <img class="left-logo" src="../assets/images/login-logo.png" alt="login logo" />
      </div>
      <div class="login-right">
        <div class="right-header">
          <h3 class="form-title">欢迎登录</h3>
        </div>
        <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
          <!--          <el-form-item v-if="tenantEnabled" prop="tenantId">-->
          <!--            <el-select v-model="loginForm.tenantId" filterable :placeholder="proxy.$t('login.selectPlaceholder')" style="width: 100%">-->
          <!--              <el-option v-for="item in tenantList" :key="item.tenantId" :label="item.companyName" :value="item.tenantId"></el-option>-->
          <!--              <template #prefix><svg-icon icon-class="company" class="el-input__icon input-icon" /></template>-->
          <!--            </el-select>-->
          <!--          </el-form-item>-->
          <el-form-item prop="username">
            <el-input v-model="loginForm.username" type="text" size="large" auto-complete="off" placeholder="用户名">
              <template #prefix>
                <img src="../assets/icons/a-shoujihaoshouji.png" alt="username" class="prefix-img" />
              </template>
            </el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              v-model="loginForm.password"
              type="password"
              size="large"
              auto-complete="off"
              placeholder="密码"
              @keyup.enter="handleLogin"
            >
              <template #prefix>
                <img src="../assets/icons/mima-3.png" alt="password" class="prefix-img" />
              </template>
            </el-input>
          </el-form-item>
<!--          <el-form-item v-if="captchaEnabled" prop="code">-->
<!--            <el-input-->
<!--              v-model="loginForm.code"-->
<!--              size="large"-->
<!--              auto-complete="off"-->
<!--              placeholder="验证码"-->
<!--              style="width: 63%"-->
<!--              @keyup.enter="handleLogin"-->
<!--            >-->
<!--              <template #prefix><svg-icon icon-class="validCode" class="el-input__icon input-icon" /></template>-->
<!--            </el-input>-->
<!--            <div class="login-code">-->
<!--              <img :src="codeUrl" class="login-code-img" @click="getCode" />-->
<!--            </div>-->
<!--          </el-form-item>-->
          <el-form-item class="btn-item">
            <el-button
              :loading="loading"
              size="large"
              type="primary"
              class="mt-6"
              style="width: 95%; background-color: #1176ff; border-color: #1176ff"
              @click.prevent="handleLogin"
            >
              <span v-if="!loading">登 录</span>
              <span v-else>登 录 中...</span>
            </el-button>
            <div v-if="register" style="float: right">
              <router-link class="link-type" :to="'/register'">立即注册</router-link>
            </div>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
import { getCodeImg, getTenantList } from '@/api/login';
import { authBinding } from '@/api/system/social/auth';
import { useUserStore } from '@/store/modules/user';
import { LoginData, TenantVO } from '@/api/types';
import { to } from 'await-to-js';
import { HttpStatus } from '@/enums/RespEnum';

const { proxy } = getCurrentInstance() as ComponentInternalInstance;

const title = import.meta.env.VITE_APP_TITLE;
const userStore = useUserStore();
const router = useRouter();

const loginForm = ref<LoginData>({
  tenantId: '000000',
  username: 'admin',
  password: 'admin123',
  rememberMe: false,
  code: '',
  uuid: ''
} as LoginData);

const loginRules: ElFormRules = {
  tenantId: [{ required: true, trigger: 'blur', message: '请输入您的租户编号' }],
  username: [{ required: true, trigger: 'blur', message: '请输入您的账号' }],
  password: [{ required: true, trigger: 'blur', message: '请输入您的密码' }],
  code: [{ required: true, trigger: 'change', message: '请输入验证码' }]
};

const codeUrl = ref('');
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 租户开关
const tenantEnabled = ref(true);

// 注册开关
const register = ref(false);
const redirect = ref('/');
const loginRef = ref<ElFormInstance>();
// 租户列表
const tenantList = ref<TenantVO[]>([]);

watch(
  () => router.currentRoute.value,
  (newRoute: any) => {
    redirect.value = newRoute.query && newRoute.query.redirect && decodeURIComponent(newRoute.query.redirect);
  },
  { immediate: true }
);

const handleLogin = () => {
  loginRef.value?.validate(async (valid: boolean, fields: any) => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在 localStorage 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        localStorage.setItem('tenantId', String(loginForm.value.tenantId));
        localStorage.setItem('username', String(loginForm.value.username));
        localStorage.setItem('password', String(loginForm.value.password));
        localStorage.setItem('rememberMe', String(loginForm.value.rememberMe));
      } else {
        // 否则移除
        localStorage.removeItem('tenantId');
        localStorage.removeItem('username');
        localStorage.removeItem('password');
        localStorage.removeItem('rememberMe');
      }
      // 调用action的登录方法
      const [err] = await to(userStore.login(loginForm.value));
      if (!err) {
        const redirectUrl = redirect.value || '/';
        await router.push(redirectUrl);
        loading.value = false;
      } else {
        loading.value = false;
        // 重新获取验证码
        if (captchaEnabled.value) {
          await getCode();
        }
      }
    } else {
      console.log('error submit!', fields);
    }
  });
};

/**
 * 获取验证码
 */
const getCode = async () => {
  const res = await getCodeImg();
  const { data } = res;
  captchaEnabled.value = data.captchaEnabled === undefined ? true : data.captchaEnabled;
  if (captchaEnabled.value) {
    codeUrl.value = 'data:image/gif;base64,' + data.img;
    loginForm.value.uuid = data.uuid;
  }
};

const getLoginData = () => {
  const tenantId = localStorage.getItem('tenantId');
  const username = localStorage.getItem('username');
  const password = localStorage.getItem('password');
  const rememberMe = localStorage.getItem('rememberMe');
  loginForm.value = {
    tenantId: tenantId === null ? String(loginForm.value.tenantId) : tenantId,
    username: username === null ? String(loginForm.value.username) : username,
    password: password === null ? String(loginForm.value.password) : String(password),
    rememberMe: rememberMe === null ? false : Boolean(rememberMe)
  } as LoginData;
};

/**
 * 获取租户列表
 */
const initTenantList = async () => {
  const { data } = await getTenantList(false);
  tenantEnabled.value = data.tenantEnabled === undefined ? true : data.tenantEnabled;
  if (tenantEnabled.value) {
    tenantList.value = data.voList;
    if (tenantList.value != null && tenantList.value.length !== 0) {
      loginForm.value.tenantId = tenantList.value[0].tenantId;
    }
  }
};

/**
 * 第三方登录
 * @param type
 */
const doSocialLogin = (type: string) => {
  authBinding(type, loginForm.value.tenantId).then((res: any) => {
    if (res.code === HttpStatus.SUCCESS) {
      // 获取授权地址跳转
      window.location.href = res.data;
    } else {
      ElMessage.error(res.msg);
    }
  });
};

onMounted(() => {
  getCode();
  initTenantList();
  getLoginData();
});
</script>

<style lang="scss" scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url('../assets/images/bg.png');
  background-size: cover;
}

.login-dialog {
  display: flex;
  width: 45vw;
  max-width: 92vw;
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  height: 55vh;
}

.login-left {
  width: 50%;
  position: relative;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #aed6ff 0%, #ecf4ff 100%);
  border-right: 1px solid #e6edf6;
}

.system-title {
  position: absolute;
  top: 34px;
  left: 34px;
  font-size: 22px;
  color: #303133;
  font-weight: 700;
}

.left-logo {
  width: 56%;
  height: auto;
}

.login-right {
  width: 50%;
  padding: 36px 40px;
  background-color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: center; /* 垂直居中表单 */
}

.right-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;

  .form-title {
    margin: 0;
    color: #1f2d3d;
    font-weight: 700;
    font-size: 22px;
  }

  :deep(.lang-select--style) {
    line-height: 0;
    color: #7483a3;
  }
}

.login-form {
  width: 100%;
  padding: 10px 0 5px 0;

  :deep(.el-form-item) {
    margin-bottom: 28px;
  }

  .el-input {
    height: 40px;
    input {
      height: 40px;
    }
  }

  :deep(.el-input__wrapper) {
    background: #f2f5f9;
    border: 0;
    box-shadow: none;
    border-radius: 8px;
    padding-left: 10px;
    height: 44px;
  }

  :deep(.el-input__inner) {
    caret-color: #1176ff;
  }

  :deep(.el-input__inner::placeholder) {
    color: #9aa7b8;
  }

  :deep(.el-input__prefix) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent; /* 图标背景透明 */
    border-radius: 8px;
    padding: 6px 8px;
    margin-right: 8px;
  }

  .input-icon {
    width: 18px;
    height: 18px;
  }

  .prefix-img {
    width: 18px;
    height: 21px;
    display: block;
  }
}

.btn-item :deep(.el-form-item__content) {
  width: 100%;
  display: flex;
  justify-content: center;
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 40px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial, serif;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 40px;
  padding-left: 12px;
}
</style>
